As AI server interconnects advance toward 1.6T and co-packaged optics (CPO), high-power continuous-wave (CW) lasers are becoming a strategic battleground for global technology companies. At the heart of these optical engines, indium phosphide (InP) manufacturing is shifting toward larger 4-inch and 6-inch wafer production. While existing suppliers have yet to fully meet growing demand, Taiwanese companies may find an opportunity to break into the market by addressing the widening supply gap.